Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A central point or focus of infection by bacteria or other pathogens.
  • noun A point or place at which something originates, accumulates, or develops, such as the center around which a calculus forms.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun A nest for insects or small animals
  • noun A locus of infection in an organism
  • noun An originating point for a phenomenon

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[Latin nīdus; see sed- in Indo-European roots.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Latin nīdus ("nest")

Examples

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